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Class 430/109.2 - Epoxy or oxirane compound (e.g., glycidyl, etc.) binder


Subclass of Class 430 - Radiation imagery chemistry: process, composition, or product thereof
Definition: Subject matter wherein the binder is a compound containing
No. of patents: 135
Last issue date: 10/11/2011


1        
NumberTitleIssue Date
8034522Polyester toner resin compositions
Provided herein are polyester toner resins that may reduce or eliminate the use of Bis A, a common polyester toner resin material that may pose environmental and/or toxicity risks. In addition, the polyester toner resins according to some embodiments of the present ...
10/11/2011
8007976Electrostatic image developing toner, toner kit and image forming apparatus
A toner is provided that comprises a colorant and a binder resin, wherein the binder resin comprises a polyester resin that is prepared by a polycondensation reaction in the presence of at least a titanium-containing catalyst expressed by General Formula (II) or (II...
08/30/2011
7935469Image forming method and toner for developing latent electrostatic image
Disclosed is a developer containing toner and carrier, the toner containing as a binder resin a polyol resin having a plurality of OH groups in a molecule chain having an EX/OH ratio between epoxy groups (EX) and OH groups (OH) of 0.990 to 1.010. The rotational spee...
05/03/2011
7862972Toner binder and toner
Disclosed herein is a polyester resin-based toner binder which can impart both excellent anti-blocking property under high temperature and humidity conditions and low-temperature fixing properties to a toner. The toner binder for developing electrostatic images incl...
01/04/2011
7351509Toner
A toner is disclosed including toner particles containing a binder resin and a colorant. The binder resin contains a vinyl resin. In the high-temperature GPC-RALLS-viscometer analysis of the o-dichlorobenzene-soluble matter of the toner, a weight-average molecular w...
04/01/2008
7351645Pressure sensitive adhesive sheet for use in semiconductor working and method for producing semiconductor chip
A pressure sensitive adhesive sheet to be used in producing an extremely thin semiconductor chip which is free of breakage and discoloration by a predicing process and a method of use thereof are provided. The pressure sensitive adhesive sheet is used in a method fo...
04/01/2008
7351510Toner for electrophotography
A toner for electrophotography, containing a low-softening point polyester-based resin having a softening point of from 80° to 120° C.; and a high-softening point polyester-based resin having a softening point of higher than 120° C. and 160° C. or lower, wherein...
04/01/2008
7333744Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage
A charge apparatus charges by uniformly superimposing an alternate current bias voltage with a fixed frequency over a direct current bias voltage as the charge bias voltage on a photosensitive member. An exposure apparatus exposes the surface of the charged photosen...
02/19/2008
7326508Image forming method
An image forming method, including forming an unfixed toner image on the surface of paper by an electrophotographic process using a developer containing a toner, and fixing the toner image on the paper, wherein a toner amount of the unfixed toner image is in the ran...
02/05/2008
7320850Magenta toner
A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powde...
01/22/2008
7291428Imaging members
An electrophotographic imaging member having a charge generating layer and a charge transport layer overlayed thereon is provided. The charge transport layer has a lower surface and an upper surface, wherein the lower surface is in contiguous contact with the charge...
11/06/2007
7288058Semi-conductive roll
A semi-conductive roll is provided including a shaft, a low-hardness base layer formed on an outer circumferential surface of the shaft, and a coating layer formed by coating the low-hardness base layer radially outwardly. The coating layer includes one of a rubber ...
10/30/2007
7288354Toner
A toner is composed of toner particles including toner base particles containing at least a binder resin and a colorant, and inorganic fine particles. The toner base particles having a specific circle-equivalent diameter as measured with a flow type particle image a...
10/30/2007
7286781Developer, image forming method and image forming apparatus
A toner for developing a latent image includes, at least, a binder resin, a releasing agent, a coloring agent and a fluidizing agent. A melting point Tw of the releasing agent is higher than or equals to a softening temperature Ts of the developer measured by a capi...
10/23/2007
7272348Developing method using a developer with a specified degree of compression and shearing stress
A developing method using a developing device including at least: a first developer bearing member arranged to be opposed to an image bearing member; and a second developer bearing member arranged on a downstream side of a rotation direction of the image bearing mem...
09/18/2007
7246528Toner evaluation method, toner cartridge, and image forming apparatus
A toner evaluation method that enables accurate evaluation of fixation performance of toner such as low temperature fixability and offset resistance, and a toner cartridge and an image forming apparatus adopting the toner positively evaluated by the evaluation metho...
07/24/2007
7244538Binder resin for toner and toners
The present invention was investigated for the purpose of providing a binder resin for toner which is excellent in the low temperature fixing property which can cope with the development of high-speed copier machines, and is excellent in the offset resistance, block...
07/17/2007
7232632Color toners and image forming method using the color toners
A method for forming a full color image including: forming at least yellow, magenta and cyan color toner images on a receiving material to form a full color image thereon; and fixing the full color image upon application of heat thereto while not contacting the full...
06/19/2007
7226984Binder for electrostatic image developing toner
Provided is a binder for an electrostatic image developing toner using a polyester resin in which at least a part of a carboxylic acid component (a) and/or an alcohol component (b) comprises a carboxy-modified polyolefin or a hydroxyl-terminated polyalkadiene that m...
06/05/2007
7169522Toner for developing a latent electrostatic image, developer using the same, full-color toner kit using the same, image-forming apparatus using the same, image-forming process cartridge using the same and image-forming process using the same
The toner for developing a latent electrostatic image to form an image contains a binder resin and 2% by weight to 15% by weight of a coloring agent. The coverage of the toner with the coloring agent on a surface of the toner is 1.5% by atom to 15% by atom. The tone...
01/30/2007
7162187Image forming apparatus and image forming method
In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2. ...
01/09/2007
7153622Electrostatic charge image developing toner, producing method therefor, image forming method and image forming apparatus utilizing the toner, construct and method for making the construct
A construct that comprises a base material and a polyhydroxyalkanoate, wherein at least a part of the base material is coated with the polyhydroxyalkanoate, and the polyhydroxyalkanoate comprises a 3-hydroxyalkanoic acid unit other than 3-hydroxypropionic acid unit,...
12/26/2006
7147981Toner
In a toner having toner particles having at least a binder resin and a colorant, the binder resin in the toner contains at least i) a vinyl resin formed of a vinyl resin having at least a carboxyl group and a vinyl resin having at least an epoxy group, and having a ...
12/12/2006
7147980Toner and image forming apparatus
A toner having toner particles each comprising at least a binder resin, a wax, and a colorant is used in an image forming apparatus which has a fixing means comprising a belt-shaped heating member and a pressurizing member. The binder resin contains a resin formed b...
12/12/2006
7144670Carrier for electrophotographic developer and process of producing the same
A resin-coated carrier for an electrophotographic developer and a process of producing the carrier. The carrier comprises a ferrite core mainly comprising iron oxide, primarily having a spinel structure, and having a volume average particle size of 20 to 45 μm and ...
12/05/2006
7118841Toner for developing an electrostatic image
The present invention is to provide a toner for developing an electrostatic image, having good fixing property and shelf stability, as well as having a good transferring property without decreasing its printing concentration nor generating a fog, even where it is su...
10/10/2006
7115350Low temperature fixing toner
A toner includes a binder resin, a charge control agent, and a pigment. The binder resin includes a main binder resin and 10 to 100 parts by weight of crystalline polyester that maintains a polymer chain orientation even in a molten state, based on the main binder r...
10/03/2006
7112394Thermosetting toner compositions, thermosetting developer compositions and methods for making and using the same
A toner composition includes a thermoset resin, cross-linking agent, and optionally additives such as colorants. The thermally cross-linkable toner composition may be fixed, using standard fusing systems, to yield images that withstand rigorous processing conditions...
09/26/2006
7052814Toner
A toner for use in an oil-less fixing system free from an oil coating on a fixing roller, the toner includes a binder resin and a wax as well as carbon black having an oil absorption of 50 to 100 mL/100 g where the toner is the black toner or a coloring agent where ...
05/30/2006
7018759Developing agent
The invention provides a developing agent that includes color toners and a black toner. The color toners include a yellow toner, a magenta toner and a cyan toner. Each of the yellow toner, the magenta toner and the cyan toner contains, as a binder resin, a mixture o...
03/28/2006
7018764Toner for developing electrostatic images, process for preparing toner for developing electrostatic images, developer for developing electrostatic images and images forming method
The present invention relates to a toner for developing electrostatic images characterized in that a reactive polymer which cross-links when heated at a temperature higher than a maximum temperature at the preparation of the toner for developing electrostatic images...
03/28/2006
7001702Toner processes
A toner containing a mixture of a semicrystalline polymer, an amorphous polymer and a crystalline polyolefin; and a colorant. ...
02/21/2006
6924075Dry toner composition
The present invention relates to a dry toner composition suited for development of electrostatic charge images, magnetic patterns or DEP (Direct Electrostatic Printing). More specifically the present invention relates to a specific toner composition allowing fusing ...
08/02/2005
6861191Dry toner for developing electrostatic images
A dry toner for developing electrostatic images, including a colorant and a binder resin which comprises a copolymer resin having (A) a polyol resin moiety having a main chain of polyoxyalkylene and obtained by reaction of (a) an epoxy resin, (b) a dihydric phenol, ...
03/01/2005
6828074Binder resin containing polyhydroxyalkanoate, toner containing the binder resin, and image-forming method and image-forming apparatus which make use of the toner
A polyhydroxyalkanoate (PHA) comprised of two kinds of units, a 3-hydroxybutyrate (3HB) unit and a 3-hydroxyhexanoate (3HHx) unit is used as a binder resin. This provides a binder resin which is biodegradable and can more highly contribute to the conservation of nat...
12/07/2004
6821699Toner, image forming method and apparatus using the toner, and container containing the toner
A toner having a half melting temperature not greater than 115° C. has good fixability without filming, even in an image forming method using a non-contact fixing method; has good fixability and color reproducibility, even in an image forming method reproducing mul...
11/23/2004
6818370Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus
A toner for developing an electrostatic latent image, containing a colorant and a binder resin composed of two different resins (A) and (B), wherein resin (A) is substantially free of tetrahydrofuran insolubles, is selected from polyester resins and polyol resins an...
11/16/2004
6818369Toner for electrostatic image development and image forming method and apparatus using the toner
A toner for electrostatic image development in which the weight concentration of polar-solvent-soluble material is 1000 μg/g or less, based on the toner, and an image forming method comprising a step of forming a toner image by developing a latent electrostatic ima...
11/16/2004
6716560Gloss-controlling toner compositions
A particulate toner composition comprises a dry blend of a low viscosity polymeric particulate toner component having a first selected melt viscosity and a first selected melt elasticity, and a high viscosity polymeric particulate toner component having a second sel...
04/06/2004
6682867Toner for electrophotography
A toner for electrophotography comprises: a coloring agent and a binding resin comprising a polyester resin constituted of cyclohexanedimethanol as an essential polyol component, wherein the toner has, at 110° C., a storage elastic modulus of 3×104...
01/27/2004
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